Choose from over 13,000 locations across the UK . Prime members get unlimited deliveries at no additional cost . Dispatch to this address when you check out . Product 4 way black cuff PWM splitter hub, 4 fan ports, 38CM motherboard cable length, specially used for computer fan, designed for controlling many system fans. . Target 3 pin / 4 pin interface expansion of the 4 pin fan to solve the problem of insufficient motherboard interfaces, multiple cables and messy cables and centralized processing of the fan wires. . Function Can expand a motherboard PWM fan header and support up to four fans. . Features Support PWM function, speed control, meet your control needs. . Compatibility Compatible with 3 pin / 4 pin fan. The pwm interface is connected to the CPU fan interface of the motherboard. The first is a specific interface for cpu fans the FAN1 / FAN2 / FAN3 interfaces are conventional pwm fan interfaces. . Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store